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The Myeloid Cell Compartment-Cell by Cell.
Annual Review of Immunology ( IF 26.9 ) Pub Date : 2019-01-16 , DOI: 10.1146/annurev-immunol-042718-041728
Kevin Bassler 1 , Jonas Schulte-Schrepping 1 , Stefanie Warnat-Herresthal 1 , Anna C Aschenbrenner 1, 2 , Joachim L Schultze 1, 3
Affiliation  

Myeloid cells are a major cellular compartment of the immune system comprising monocytes, dendritic cells, tissue macrophages, and granulocytes. Models of cellular ontogeny, activation, differentiation, and tissue-specific functions of myeloid cells have been revisited during the last years with surprising results; for example, most tissue macrophages are yolk sac derived, monocytes and macrophages follow a multidimensional model of activation, and tissue signals have a significant impact on the functionality of all these cells. While these exciting results have brought these cells back to center stage, their enormous plasticity and heterogeneity, during both homeostasis and disease, are far from understood. At the same time, the ongoing revolution in single-cell genomics, with single-cell RNA sequencing (scRNA-seq) leading the way, promises to change this. Prevailing models of hematopoiesis with distinct intermediates are challenged by scRNA-seq data suggesting more continuous developmental trajectories in the myeloid cell compartment. Cell subset structures previously defined by protein marker expression need to be revised based on unbiased analyses of scRNA-seq data. Particularly in inflammatory conditions, myeloid cells exhibit substantially vaster heterogeneity than previously anticipated, and work performed within large international projects, such as the Human Cell Atlas, has already revealed novel tissue macrophage subsets. Based on these exciting developments, we propose the next steps to a full understanding of the myeloid cell compartment in health and diseases.

中文翻译:

骨髓细胞隔室-细胞。

髓样细胞是免疫系统的主要细胞区室,包括单核细胞,树突状细胞,组织巨噬细胞和粒细胞。过去几年中,髓细胞的细胞发育,激活,分化和组织特异性功能的模型得到了重新研究,其结果令人惊讶。例如,大多数组织巨噬细胞是卵黄囊衍生的,单核细胞和巨噬细胞遵循多维激活模型,并且组织信号对所有这些细胞的功能都有重大影响。尽管这些令人兴奋的结果使这些细胞回到了中心阶段,但是它们在动态平衡和疾病过程中的巨大可塑性和异质性却远未得到人们的理解。同时,随着单细胞基因组学的不断发展,单细胞RNA测序(scRNA-seq)引领了人们的发展,承诺会改变这一点。scRNA-seq数据挑战了具有独特中间体的造血模型的普遍存在,表明在髓样细胞区室中有更多连续的发育轨迹。以前基于蛋白质标记表达定义的细胞亚组结构需要根据scRNA-seq数据的无偏分析进行修改。特别是在炎症条件下,髓样细胞表现出比以前预期的要大得多的异质性,并且在大型国际项目(例如“人类细胞图集”)中进行的工作已经揭示了新的组织巨噬细胞亚群。基于这些令人振奋的进展,我们提出了进一步了解健康和疾病中髓样细胞区室的下一步措施。scRNA-seq数据挑战了具有独特中间体的造血模型的普遍存在,表明在髓样细胞区室中有更多连续的发育轨迹。以前基于蛋白质标记表达定义的细胞亚组结构需要根据scRNA-seq数据的无偏分析进行修改。特别是在炎症条件下,髓样细胞表现出比以前预期的要大得多的异质性,并且在大型国际项目(例如“人类细胞图集”)中进行的工作已经揭示了新的组织巨噬细胞亚群。基于这些令人振奋的进展,我们提出了进一步了解健康和疾病中髓样细胞区室的下一步措施。scRNA-seq数据挑战了具有独特中间体的造血模型的普遍存在,表明在髓样细胞区室中有更多连续的发育轨迹。以前基于蛋白质标记表达定义的细胞亚组结构需要根据scRNA-seq数据的无偏分析进行修改。特别是在炎症条件下,髓样细胞表现出比以前预期的要大得多的异质性,并且在大型国际项目(例如“人类细胞图集”)中进行的工作已经揭示了新的组织巨噬细胞亚群。基于这些令人振奋的进展,我们提出了进一步了解健康和疾病中髓样细胞区室的下一步措施。以前基于蛋白质标记表达定义的细胞亚组结构需要根据scRNA-seq数据的无偏分析进行修改。特别是在炎症条件下,髓样细胞表现出比以前预期的要大得多的异质性,并且在大型国际项目(例如“人类细胞图集”)中进行的工作已经揭示了新的组织巨噬细胞亚群。基于这些令人振奋的进展,我们提出了进一步了解健康和疾病中髓样细胞区室的下一步措施。以前基于蛋白质标记表达定义的细胞亚组结构需要根据scRNA-seq数据的无偏分析进行修改。特别是在炎症条件下,髓样细胞表现出比以前预期的要大得多的异质性,并且在大型国际项目(例如“人类细胞图集”)中进行的工作已经揭示了新的组织巨噬细胞亚群。基于这些令人振奋的进展,我们提出了进一步了解健康和疾病中髓样细胞区室的下一步措施。已经揭示了新的组织巨噬细胞亚群。基于这些令人振奋的进展,我们提出了进一步了解健康和疾病中髓样细胞区室的下一步措施。已经揭示了新的组织巨噬细胞亚群。基于这些令人振奋的进展,我们提出了进一步了解健康和疾病中髓样细胞区室的下一步措施。
更新日期:2020-04-21
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